Kilotest: Diagnoses of invalid character violation by HTML element 0 on Good Food Institute (GFI) page

Basics

About the page

• URL: https://gfi.org/
• Tested 3 days ago on 2026-10-07 at 21:39 by job 261007T2129-czj
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 1594
  • Violators: 901
  • Issues: 61
• Download the full technical report (JSON)

About the issue

• Why it matters: Invalid character makes the page behave incorrectly
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Html Checker API)
• Violations: 14
• Violators: 1

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html lang="en-US" prefix="og: https://ogp.me/ns#" class="js">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 7727
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the invalid character issue for HTML element 0 of the Good Food Institute (GFI) page.

1. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

2. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

3. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

4. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

5. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

6. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

7. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

8. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

9. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

10. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

11. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

12. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

13. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.

14. Saw " when expecting an attribute name. Probable cause: = missing immediately before. Extract: lick', this);" "="" href="http

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: Saw " when expecting an attribute name. Probable cause: = missing immediately before.